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Copy pathmath.ts
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65 lines (63 loc) · 1.6 KB
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export const mathConstants = new Set(["PI", "E", "LN2", "LN10", "LOG2E", "LOG10E", "SQRT2", "SQRT1_2"])
export const mathMethods = new Set([
"max",
"min",
"abs",
"floor",
"ceil",
"round",
"trunc",
"sign",
"sqrt",
"cbrt",
"pow",
"hypot",
"log",
"log2",
"log10",
"exp",
])
export const invokeMathMethod = (name: string, args: Array<unknown>, node: AstNode): number => {
if (!mathMethods.has(name)) throw new InterpreterRuntimeError(`Math.${name} is not available in CodeMode.`, node)
const nums = args.map((arg) => {
if (typeof arg !== "number") throw new InterpreterRuntimeError(`Math.${name} expects number arguments.`, node)
return arg
})
const [a = Number.NaN, b = Number.NaN] = nums
switch (name) {
case "max":
return Math.max(...nums)
case "min":
return Math.min(...nums)
case "abs":
return Math.abs(a)
case "floor":
return Math.floor(a)
case "ceil":
return Math.ceil(a)
case "round":
return Math.round(a)
case "trunc":
return Math.trunc(a)
case "sign":
return Math.sign(a)
case "sqrt":
return Math.sqrt(a)
case "cbrt":
return Math.cbrt(a)
case "pow":
return Math.pow(a, b)
case "hypot":
return Math.hypot(...nums)
case "log":
return Math.log(a)
case "log2":
return Math.log2(a)
case "log10":
return Math.log10(a)
case "exp":
return Math.exp(a)
}
throw new InterpreterRuntimeError(`Math.${name} is not available in CodeMode.`, node)
}
import { type AstNode, InterpreterRuntimeError } from "../interpreter/model.js"